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课时作业(四)
Unit 2 Lessons 7、8
（20分钟 50分）
Ⅰ. 根据句意及汉语或首字母提示完成单词(5分)
1. —What are you doing?
—We are digging a (坑).
2. Please (覆盖)the table with the cloth.
3. Plants can stop (土壤)from being washed away.
4. Please clean your room. It’s too d .
5. —What a hot day!
—Yes. Let’s sit in the s under the tree.
